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Substring/Top and tail: Difference between revisions
→{{header|REXX}}: added the REXX language. -- ~~~~
(→{{header|REXX}}: added the REXX language. -- ~~~~) |
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print "socks"[:-1] # strip last character
print "brooms"[1:-1] # strip both first and last characters</lang>
=={{header|REXX}}==
<lang rexx>/*REXX program to show removal of 1st/last/1st&last chars from a string.*/
z = 'abcdefghijk'
say ' the original string =' z
say 'string first character removed =' substr(z,2)
say 'string last character removed =' left(z,length(z)-1)
say 'string first & last character removed =' substr(z,2,length(z)-2)
exit
/* ┌───────────────────────────────────────────────┐
│ however, the original string may be null, │
│ or of insufficient length which may cause the │
│ BIFs to fail (because of negative length). │
└───────────────────────────────────────────────┘ */
say ' the original string =' z
say 'string first character removed =' substr(z,2)
say 'string last character removed =' left(z,max(0,length(z)-1))
say 'string first & last character removed =' substr(z,2,max(0,length(z)-2))</lang>
'''output'''
<pre style="height:15ex;overflow:scroll">
the original string = abcdefghijk
string first character removed = bcdefghijk
string last character removed = abcdefghij
string first & last character removed = bcdefghij
</pre>
=={{header|Ruby}}==
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